费率相关计算封装

src/main/java/com/thinkgem/jeesite/modules/pay/dao/PayApiDao.java

@@ -7,6 +7,7 @@ import com.thinkgem.jeesite.modules.pay.entity.UserRateEntity;
 import com.thinkgem.jeesite.modules.user.entity.CardEntity;
 
 import java.util.List;
+import java.util.Map;
 
 @MyBatisDao
 public interface PayApiDao {
@@ -34,6 +35,6 @@ public interface PayApiDao {
     // 查询状态为支付中的状态
     List<OrderEntity> getOrderListTimeing(OrderEntity orderEntity);
 
-
-
+    //获取不同渠道最新使用的额度
+    Double getLastLimit(Map<String, String> map);
 }

src/main/java/com/thinkgem/jeesite/modules/pay/dao/RateDao.java

+package com.thinkgem.jeesite.modules.pay.dao;
+
+import com.thinkgem.jeesite.common.persistence.annotation.MyBatisDao;
+import com.thinkgem.jeesite.modules.pay.bean.OrderRequest;
+import com.thinkgem.jeesite.modules.pay.entity.BenefitEntity;
+import com.thinkgem.jeesite.modules.pay.entity.OrderEntity;
+import com.thinkgem.jeesite.modules.pay.entity.RateEntity;
+
+import java.util.List;
+import java.util.Map;
+
+/**
+ * 费率Dao
+ */
+@MyBatisDao
+public interface RateDao {
+    public RateEntity getRateEntity(Map<String, String> map);
+
+}
\ No newline at end of file

src/main/java/com/thinkgem/jeesite/modules/pay/service/PayApiService.java

@@ -2,6 +2,7 @@ package com.thinkgem.jeesite.modules.pay.service;
 
 import com.alibaba.fastjson.JSONObject;
 import com.alipay.api.AlipayApiException;
+import com.google.common.collect.Maps;
 import com.thinkgem.jeesite.common.baseBean.Request;
 import com.thinkgem.jeesite.common.baseBean.Response;
 import com.thinkgem.jeesite.common.config.Global;
@@ -12,6 +13,7 @@ import com.thinkgem.jeesite.common.utils.StringUtils;
 import com.thinkgem.jeesite.modules.commonError.MyException;
 import com.thinkgem.jeesite.modules.pay.alipay.service.AlipayService;
 import com.thinkgem.jeesite.modules.pay.dao.PayApiDao;
+import com.thinkgem.jeesite.modules.pay.dao.RateDao;
 import com.thinkgem.jeesite.modules.pay.entity.*;
 import com.thinkgem.jeesite.modules.pay.huanqiuhuiju.service.HuanqiuhuijuService;
 import com.thinkgem.jeesite.modules.pay.juhezhong.dto.JuhezhongDto;
@@ -74,6 +76,9 @@ public class PayApiService {
     @Autowired
     private BenefitSevice benefitSevice;
 
+    @Autowired
+    private RateDao rateDao;
+
 
     /**
      * 快捷支付（分为不同的渠道）
@@ -97,6 +102,11 @@ public class PayApiService {
 
         CardEntity cardEntity = userService.getDebitCardByUserCode(userRequest);
         userEntity.getUserDetail().setCard(cardEntity);
+        //获取当前渠道当日剩余额度
+        BigDecimal limitNumber = getLimitNumber(userEntity.getLevel(), userEntity.getCode(), request.getPayChannel());
+        if(BigDecimal.valueOf(Double.valueOf(request.getAmount())).compareTo(limitNumber)>0){
+            throw new MyException("超出额度");
+        }
         // 2. 创建支付订单信息，并保存
         String code = IdGen.randomBase62(64);
         String payNo = ComCode.YYYYMMDDHHMM.format(new Date()) + IdGen.randomBase62(8); // 订单号
@@ -707,6 +717,12 @@ public class PayApiService {
     @Transactional(readOnly = false)
     public PayBackDto payJuhezhong (JuHeZhongPayRequest request,UserEntity userEntity,OrderEntity orderEntity,CardEntity cardEntity) throws Exception {
 
+        //获取用户对应等级费率以及每笔需要的手续费
+        RateEntity gradeRate = getGradeRate(userEntity.getLevel(), request.getPayChannel());
+
+        //获取扣除手续费后的金额
+        BigDecimal amount = calculationAmount(gradeRate, request.getAmount());
+
         //通过用户code获取user_detail表中数据
         UserDetailEntity userDetail = userService.getUserDetailByCode(userEntity.getCode());
         PayBackDto payBackDto = new PayBackDto();
@@ -717,7 +733,7 @@ public class PayApiService {
         dto.setOrderId(MakeOrderNum.makeOrderNum());//非订单号
         dto.setMerchantId(ComCode.MERCHANT_ID);//商户号
         dto.setMerchantKey(ComCode.MERCHANT_KEY);
-        dto.setAmount(Integer.valueOf(orderEntity.getAmount())*100);//订单金额,单位为分
+        dto.setAmount(amount.multiply(BigDecimal.valueOf(100)).intValue());//订单金额,单位为分
         dto.setTrxType(3);//交易类型，默认传3
         dto.setType(cardEntity.getCardType().equals("D")?6:5);//5 借记卡 只能 D0 6 贷记卡 D0 t1 ,表中 银行卡类型 D储蓄卡 C信用卡'
         dto.setBankNo(cardEntity.getCardNo());//支付卡号
@@ -1183,4 +1199,76 @@ public class PayApiService {
         payDao.deleteBenefit(benefitEntity);
     }
 
+    /**
+     * 获取对应用户等级的费率
+     * @param user_level
+     * @param pay_channel
+     * @return
+     */
+    public RateEntity getGradeRate(String user_level,String pay_channel){
+        Map<String, String> maps = Maps.newHashMap();
+        maps.put("user_level",user_level);
+        maps.put("pay_channel",pay_channel);
+        RateEntity rateList = rateDao.getRateEntity(maps);
+        return  rateList;
+    }
+
+
+    /**
+     * 获取用户当日已使用额度，已支付完成时间为准
+     * @param user_code
+     * @param pay_channel
+     * @return
+     */
+    public Double getUseNum(String user_code,String pay_channel){
+        HashMap<String, String> maps = Maps.newHashMap();
+        maps.put("user_code", user_code);
+        maps.put("pay_channel", pay_channel);
+        Double lastLimit = payDao.getLastLimit(maps);
+        return lastLimit;
+    }
+
+    /**
+     * 计算当日剩余额度
+     * @param dayLimit
+     * @param num
+     * @return
+     */
+    public BigDecimal getLimitNum(String dayLimit,Double num){
+        return BigDecimal.valueOf(Long.valueOf(dayLimit)).subtract(BigDecimal.valueOf(num));
+    }
+
+    /**
+     * 计算当日剩余额度（集中）
+     * @param user_level
+     * @param user_code
+     * @param pay_channel
+     * @return
+     */
+    public BigDecimal getLimitNumber(String user_level,String user_code,String pay_channel){
+        Map<String, String> maps = Maps.newHashMap();
+        maps.put("user_level",user_level);
+        maps.put("pay_channel",pay_channel);
+        maps.put("user_code", user_code);
+        RateEntity rateList = rateDao.getRateEntity(maps);
+        Double num = payDao.getLastLimit(maps);
+        return BigDecimal.valueOf(Long.valueOf(rateList.getDayLimit())).subtract(BigDecimal.valueOf(num));
+    }
+
+    /**
+     * 计算扣除费率及每笔交易手续费的差值
+     * @param gradeRate
+     * @param amount
+     * @return
+     */
+    public BigDecimal calculationAmount(RateEntity gradeRate,String amount){
+        Double siglePrice = Double.valueOf(gradeRate.getSiglePrice());
+        Double rate = Double.valueOf(gradeRate.getRate());
+        Double amountDouble = Double.valueOf(amount);
+        //扣除费率及手续费后的金额
+        BigDecimal result = BigDecimal.valueOf(amountDouble).subtract(BigDecimal.valueOf(siglePrice))
+                .subtract(BigDecimal.valueOf(amountDouble * rate));
+        return result;
+    }
+
 }

src/main/resources/mappings/modules/pay/PayApiDao.xml

@@ -172,4 +172,21 @@
         SET del_flag = 1
         WHERE order_code = #{orderCode}
     </update>
+
+    <select id="getLastLimit" resultType="java.lang.Double">
+        SELECT
+        IFNULL(SUM(amount),0)
+        FROM
+        youka_orders
+        WHERE
+        pay_status = 2
+        <if test="user_code != null and user_code != ''">
+            AND user_code = #{user_code}
+        </if>
+        <if test="pay_channel != null and pay_channel != ''">
+            AND pay_channel >= #{pay_channel}
+        </if>
+        AND update_date >= date(now())
+        AND update_date &lt;  DATE_ADD(date(now()), INTERVAL 1 DAY)
+    </select>
 </mapper>
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src/main/resources/mappings/modules/pay/RateDao.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
+<mapper namespace="com.thinkgem.jeesite.modules.pay.dao.RateDao">
+
+    <select id="getRateEntity" resultType="com.thinkgem.jeesite.modules.pay.entity.RateEntity">
+        SELECT
+        user_level,
+        pay_method,
+        pay_channel,
+        rate,
+        rate_type,
+        sigle_price,
+        day_limit
+        FROM
+        youka_rate
+        WHERE
+        1=1
+        <if test="user_level != null and user_level != ''">
+            AND user_level = #{user_level}
+        </if>
+        <if test="pay_channel != null and pay_channel != ''">
+            AND pay_channel = #{pay_channel}
+        </if>
+        LIMIT 1
+
+    </select>
+
+
+</mapper>
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